Ovulation after chemical

I just had a chemical last week at 4 weeks and miscarriage bleeding lasted 2-3 days but has since stopped. I usually ovulate on CD12 & I’m trying to estimate when I’ll ovulate next.

Would you count it as 12 days after the bleeding started? 12 days after it stopped or do need to wait until my next period & go from there?

Advice appreciated, thanks x